Initial commit

1 files changed, 519 insertions, 0 deletions

diff --git a/contrib/SDL-3.2.8/src/video/uikit/SDL_uikitappdelegate.m b/contrib/SDL-3.2.8/src/video/uikit/SDL_uikitappdelegate.m
new file mode 100644
index 0000000..6a37e51
--- /dev/null
+++ b/contrib/SDL-3.2.8/src/video/uikit/SDL_uikitappdelegate.m
@@ -0,0 +1,519 @@
+/*
+  Simple DirectMedia Layer
+  Copyright (C) 1997-2025 Sam Lantinga <slouken@libsdl.org>
+
+  This software is provided 'as-is', without any express or implied
+  warranty.  In no event will the authors be held liable for any damages
+  arising from the use of this software.
+
+  Permission is granted to anyone to use this software for any purpose,
+  including commercial applications, and to alter it and redistribute it
+  freely, subject to the following restrictions:
+
+  1. The origin of this software must not be misrepresented; you must not
+     claim that you wrote the original software. If you use this software
+     in a product, an acknowledgment in the product documentation would be
+     appreciated but is not required.
+  2. Altered source versions must be plainly marked as such, and must not be
+     misrepresented as being the original software.
+  3. This notice may not be removed or altered from any source distribution.
+*/
+#include "SDL_internal.h"
+
+#ifdef SDL_VIDEO_DRIVER_UIKIT
+
+#include "../SDL_sysvideo.h"
+
+#import "SDL_uikitappdelegate.h"
+#import "SDL_uikitmodes.h"
+#import "SDL_uikitwindow.h"
+
+#include "../../events/SDL_events_c.h"
+
+#ifdef main
+#undef main
+#endif
+
+static SDL_main_func forward_main;
+static int forward_argc;
+static char **forward_argv;
+static int exit_status;
+
+int SDL_RunApp(int argc, char* argv[], SDL_main_func mainFunction, void * reserved)
+{
+    int i;
+
+    // store arguments
+    /* Note that we need to be careful about how we allocate/free memory here.
+     * If the application calls SDL_SetMemoryFunctions(), we can't rely on
+     * SDL_free() to use the same allocator after SDL_main() returns.
+     */
+    forward_main = mainFunction;
+    forward_argc = argc;
+    forward_argv = (char **)malloc((argc + 1) * sizeof(char *)); // This should NOT be SDL_malloc()
+    for (i = 0; i < argc; i++) {
+        forward_argv[i] = malloc((strlen(argv[i]) + 1) * sizeof(char)); // This should NOT be SDL_malloc()
+        strcpy(forward_argv[i], argv[i]);
+    }
+    forward_argv[i] = NULL;
+
+    // Give over control to run loop, SDLUIKitDelegate will handle most things from here
+    @autoreleasepool {
+        UIApplicationMain(argc, argv, nil, [SDLUIKitDelegate getAppDelegateClassName]);
+    }
+
+    // free the memory we used to hold copies of argc and argv
+    for (i = 0; i < forward_argc; i++) {
+        free(forward_argv[i]); // This should NOT be SDL_free()
+    }
+    free(forward_argv); // This should NOT be SDL_free()
+
+    return exit_status;
+}
+
+#if !defined(SDL_PLATFORM_TVOS) && !defined(SDL_PLATFORM_VISIONOS)
+// Load a launch image using the old UILaunchImageFile-era naming rules.
+static UIImage *SDL_LoadLaunchImageNamed(NSString *name, int screenh)
+{
+    UIInterfaceOrientation curorient = [UIApplication sharedApplication].statusBarOrientation;
+    UIUserInterfaceIdiom idiom = [UIDevice currentDevice].userInterfaceIdiom;
+    UIImage *image = nil;
+
+    if (idiom == UIUserInterfaceIdiomPhone && screenh == 568) {
+        // The image name for the iPhone 5 uses its height as a suffix.
+        image = [UIImage imageNamed:[NSString stringWithFormat:@"%@-568h", name]];
+    } else if (idiom == UIUserInterfaceIdiomPad) {
+        // iPad apps can launch in any orientation.
+        if (UIInterfaceOrientationIsLandscape(curorient)) {
+            if (curorient == UIInterfaceOrientationLandscapeLeft) {
+                image = [UIImage imageNamed:[NSString stringWithFormat:@"%@-LandscapeLeft", name]];
+            } else {
+                image = [UIImage imageNamed:[NSString stringWithFormat:@"%@-LandscapeRight", name]];
+            }
+            if (!image) {
+                image = [UIImage imageNamed:[NSString stringWithFormat:@"%@-Landscape", name]];
+            }
+        } else {
+            if (curorient == UIInterfaceOrientationPortraitUpsideDown) {
+                image = [UIImage imageNamed:[NSString stringWithFormat:@"%@-PortraitUpsideDown", name]];
+            }
+            if (!image) {
+                image = [UIImage imageNamed:[NSString stringWithFormat:@"%@-Portrait", name]];
+            }
+        }
+    }
+
+    if (!image) {
+        image = [UIImage imageNamed:name];
+    }
+
+    return image;
+}
+
+@interface SDLLaunchStoryboardViewController : UIViewController
+@property(nonatomic, strong) UIViewController *storyboardViewController;
+- (instancetype)initWithStoryboardViewController:(UIViewController *)storyboardViewController;
+@end
+
+@implementation SDLLaunchStoryboardViewController
+
+- (instancetype)initWithStoryboardViewController:(UIViewController *)storyboardViewController
+{
+    self = [super init];
+    self.storyboardViewController = storyboardViewController;
+    return self;
+}
+
+- (void)viewDidLoad
+{
+    [super viewDidLoad];
+
+    [self addChildViewController:self.storyboardViewController];
+    [self.view addSubview:self.storyboardViewController.view];
+    self.storyboardViewController.view.autoresizingMask = UIViewAutoresizingFlexibleWidth | UIViewAutoresizingFlexibleHeight;
+    self.storyboardViewController.view.frame = self.view.bounds;
+    [self.storyboardViewController didMoveToParentViewController:self];
+
+#ifndef SDL_PLATFORM_VISIONOS
+    UIApplication.sharedApplication.statusBarHidden = self.prefersStatusBarHidden;
+    UIApplication.sharedApplication.statusBarStyle = self.preferredStatusBarStyle;
+#endif
+}
+
+- (BOOL)prefersStatusBarHidden
+{
+    return [[NSBundle.mainBundle objectForInfoDictionaryKey:@"UIStatusBarHidden"] boolValue];
+}
+
+- (UIStatusBarStyle)preferredStatusBarStyle
+{
+    NSString *statusBarStyle = [NSBundle.mainBundle objectForInfoDictionaryKey:@"UIStatusBarStyle"];
+    if ([statusBarStyle isEqualToString:@"UIStatusBarStyleLightContent"]) {
+        return UIStatusBarStyleLightContent;
+    }
+    if (@available(iOS 13.0, *)) {
+        if ([statusBarStyle isEqualToString:@"UIStatusBarStyleDarkContent"]) {
+            return UIStatusBarStyleDarkContent;
+        }
+    }
+    return UIStatusBarStyleDefault;
+}
+
+@end
+#endif // !SDL_PLATFORM_TVOS
+
+@interface SDLLaunchScreenController ()
+
+#ifndef SDL_PLATFORM_TVOS
+- (NSUInteger)supportedInterfaceOrientations;
+#endif
+
+@end
+
+@implementation SDLLaunchScreenController
+
+- (instancetype)init
+{
+    return [self initWithNibName:nil bundle:[NSBundle mainBundle]];
+}
+
+- (instancetype)initWithNibName:(NSString *)nibNameOrNil bundle:(NSBundle *)nibBundleOrNil
+{
+    if (!(self = [super initWithNibName:nil bundle:nil])) {
+        return nil;
+    }
+
+    NSString *screenname = nibNameOrNil;
+    NSBundle *bundle = nibBundleOrNil;
+
+    // A launch screen may not exist. Fall back to launch images in that case.
+    if (screenname) {
+        @try {
+            self.view = [bundle loadNibNamed:screenname owner:self options:nil][0];
+        }
+        @catch (NSException *exception) {
+            /* If a launch screen name is specified but it fails to load, iOS
+             * displays a blank screen rather than falling back to an image. */
+            return nil;
+        }
+    }
+
+    if (!self.view) {
+        NSArray *launchimages = [bundle objectForInfoDictionaryKey:@"UILaunchImages"];
+        NSString *imagename = nil;
+        UIImage *image = nil;
+
+#ifdef SDL_PLATFORM_VISIONOS
+        int screenw = SDL_XR_SCREENWIDTH;
+        int screenh = SDL_XR_SCREENHEIGHT;
+#else
+        int screenw = (int)([UIScreen mainScreen].bounds.size.width + 0.5);
+        int screenh = (int)([UIScreen mainScreen].bounds.size.height + 0.5);
+#endif
+
+
+
+#if !defined(SDL_PLATFORM_TVOS) && !defined(SDL_PLATFORM_VISIONOS)
+        UIInterfaceOrientation curorient = [UIApplication sharedApplication].statusBarOrientation;
+
+        // We always want portrait-oriented size, to match UILaunchImageSize.
+        if (screenw > screenh) {
+            int width = screenw;
+            screenw = screenh;
+            screenh = width;
+        }
+#endif
+
+        // Xcode 5 introduced a dictionary of launch images in Info.plist.
+        if (launchimages) {
+            for (NSDictionary *dict in launchimages) {
+                NSString *minversion = dict[@"UILaunchImageMinimumOSVersion"];
+                NSString *sizestring = dict[@"UILaunchImageSize"];
+
+                // Ignore this image if the current version is too low.
+                if (minversion && !UIKit_IsSystemVersionAtLeast(minversion.doubleValue)) {
+                    continue;
+                }
+
+                // Ignore this image if the size doesn't match.
+                if (sizestring) {
+                    CGSize size = CGSizeFromString(sizestring);
+                    if ((int)(size.width + 0.5) != screenw || (int)(size.height + 0.5) != screenh) {
+                        continue;
+                    }
+                }
+
+#if !defined(SDL_PLATFORM_TVOS) && !defined(SDL_PLATFORM_VISIONOS)
+                UIInterfaceOrientationMask orientmask = UIInterfaceOrientationMaskPortrait | UIInterfaceOrientationMaskPortraitUpsideDown;
+                NSString *orientstring = dict[@"UILaunchImageOrientation"];
+
+                if (orientstring) {
+                    if ([orientstring isEqualToString:@"PortraitUpsideDown"]) {
+                        orientmask = UIInterfaceOrientationMaskPortraitUpsideDown;
+                    } else if ([orientstring isEqualToString:@"Landscape"]) {
+                        orientmask = UIInterfaceOrientationMaskLandscape;
+                    } else if ([orientstring isEqualToString:@"LandscapeLeft"]) {
+                        orientmask = UIInterfaceOrientationMaskLandscapeLeft;
+                    } else if ([orientstring isEqualToString:@"LandscapeRight"]) {
+                        orientmask = UIInterfaceOrientationMaskLandscapeRight;
+                    }
+                }
+
+                // Ignore this image if the orientation doesn't match.
+                if ((orientmask & (1 << curorient)) == 0) {
+                    continue;
+                }
+#endif
+
+                imagename = dict[@"UILaunchImageName"];
+            }
+
+            if (imagename) {
+                image = [UIImage imageNamed:imagename];
+            }
+        }
+#if !defined(SDL_PLATFORM_TVOS) && !defined(SDL_PLATFORM_VISIONOS)
+        else {
+            imagename = [bundle objectForInfoDictionaryKey:@"UILaunchImageFile"];
+
+            if (imagename) {
+                image = SDL_LoadLaunchImageNamed(imagename, screenh);
+            }
+
+            if (!image) {
+                image = SDL_LoadLaunchImageNamed(@"Default", screenh);
+            }
+        }
+#endif
+
+        if (image) {
+#ifdef SDL_PLATFORM_VISIONOS
+            CGRect viewFrame = CGRectMake(0, 0, screenw, screenh);
+#else
+            CGRect viewFrame = [UIScreen mainScreen].bounds;
+#endif
+            UIImageView *view = [[UIImageView alloc] initWithFrame:viewFrame];
+            UIImageOrientation imageorient = UIImageOrientationUp;
+
+#if !defined(SDL_PLATFORM_TVOS) && !defined(SDL_PLATFORM_VISIONOS)
+            // Bugs observed / workaround tested in iOS 8.3.
+            if (UIInterfaceOrientationIsLandscape(curorient)) {
+                if (image.size.width < image.size.height) {
+                    /* On iOS 8, portrait launch images displayed in forced-
+                     * landscape mode (e.g. a standard Default.png on an iPhone
+                     * when Info.plist only supports landscape orientations) need
+                     * to be rotated to display in the expected orientation. */
+                    if (curorient == UIInterfaceOrientationLandscapeLeft) {
+                        imageorient = UIImageOrientationRight;
+                    } else if (curorient == UIInterfaceOrientationLandscapeRight) {
+                        imageorient = UIImageOrientationLeft;
+                    }
+                }
+            }
+#endif
+
+            // Create the properly oriented image.
+            view.image = [[UIImage alloc] initWithCGImage:image.CGImage scale:image.scale orientation:imageorient];
+
+            self.view = view;
+        }
+    }
+
+    return self;
+}
+
+- (void)loadView
+{
+    // Do nothing.
+}
+
+#ifndef SDL_PLATFORM_TVOS
+- (BOOL)shouldAutorotate
+{
+    // If YES, the launch image will be incorrectly rotated in some cases.
+    return NO;
+}
+
+- (NSUInteger)supportedInterfaceOrientations
+{
+    /* We keep the supported orientations unrestricted to avoid the case where
+     * there are no common orientations between the ones set in Info.plist and
+     * the ones set here (it will cause an exception in that case.) */
+    return UIInterfaceOrientationMaskAll;
+}
+#endif // !SDL_PLATFORM_TVOS
+
+@end
+
+@implementation SDLUIKitDelegate
+{
+    UIWindow *launchWindow;
+}
+
+// convenience method
++ (id)sharedAppDelegate
+{
+    /* the delegate is set in UIApplicationMain(), which is guaranteed to be
+     * called before this method */
+    return [UIApplication sharedApplication].delegate;
+}
+
++ (NSString *)getAppDelegateClassName
+{
+    /* subclassing notice: when you subclass this appdelegate, make sure to add
+     * a category to override this method and return the actual name of the
+     * delegate */
+    return @"SDLUIKitDelegate";
+}
+
+- (void)hideLaunchScreen
+{
+    UIWindow *window = launchWindow;
+
+    if (!window || window.hidden) {
+        return;
+    }
+
+    launchWindow = nil;
+
+    // Do a nice animated fade-out (roughly matches the real launch behavior.)
+    [UIView animateWithDuration:0.2
+        animations:^{
+          window.alpha = 0.0;
+        }
+        completion:^(BOOL finished) {
+          window.hidden = YES;
+          UIKit_ForceUpdateHomeIndicator(); // Wait for launch screen to hide so settings are applied to the actual view controller.
+        }];
+}
+
+- (void)postFinishLaunch
+{
+    /* Hide the launch screen the next time the run loop is run. SDL apps will
+     * have a chance to load resources while the launch screen is still up. */
+    [self performSelector:@selector(hideLaunchScreen) withObject:nil afterDelay:0.0];
+
+    // run the user's application, passing argc and argv
+    SDL_SetiOSEventPump(true);
+    exit_status = forward_main(forward_argc, forward_argv);
+    SDL_SetiOSEventPump(false);
+
+    if (launchWindow) {
+        launchWindow.hidden = YES;
+        launchWindow = nil;
+    }
+
+    // exit, passing the return status from the user's application
+    /* We don't actually exit to support applications that do setup in their
+     * main function and then allow the Cocoa event loop to run. */
+    // exit(exit_status);
+}
+
+- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions
+{
+    NSBundle *bundle = [NSBundle mainBundle];
+
+#ifdef SDL_IPHONE_LAUNCHSCREEN
+    /* The normal launch screen is displayed until didFinishLaunching returns,
+     * but SDL_main is called after that happens and there may be a noticeable
+     * delay between the start of SDL_main and when the first real frame is
+     * displayed (e.g. if resources are loaded before SDL_GL_SwapWindow is
+     * called), so we show the launch screen programmatically until the first
+     * time events are pumped. */
+    UIViewController *vc = nil;
+    NSString *screenname = nil;
+
+    // tvOS only uses a plain launch image.
+#if !defined(SDL_PLATFORM_TVOS) && !defined(SDL_PLATFORM_VISIONOS)
+    screenname = [bundle objectForInfoDictionaryKey:@"UILaunchStoryboardName"];
+
+    if (screenname) {
+        @try {
+            /* The launch storyboard is actually a nib in some older versions of
+             * Xcode. We'll try to load it as a storyboard first, as it's more
+             * modern. */
+            UIStoryboard *storyboard = [UIStoryboard storyboardWithName:screenname bundle:bundle];
+            __auto_type storyboardVc = [storyboard instantiateInitialViewController];
+            vc = [[SDLLaunchStoryboardViewController alloc] initWithStoryboardViewController:storyboardVc];
+        }
+        @catch (NSException *exception) {
+            // Do nothing (there's more code to execute below).
+        }
+    }
+#endif
+
+    if (vc == nil) {
+        vc = [[SDLLaunchScreenController alloc] initWithNibName:screenname bundle:bundle];
+    }
+
+    if (vc.view) {
+#ifdef SDL_PLATFORM_VISIONOS
+        CGRect viewFrame = CGRectMake(0, 0, SDL_XR_SCREENWIDTH, SDL_XR_SCREENHEIGHT);
+#else
+        CGRect viewFrame = [UIScreen mainScreen].bounds;
+#endif
+        launchWindow = [[UIWindow alloc] initWithFrame:viewFrame];
+
+        /* We don't want the launch window immediately hidden when a real SDL
+         * window is shown - we fade it out ourselves when we're ready. */
+        launchWindow.windowLevel = UIWindowLevelNormal + 1.0;
+
+        /* Show the window but don't make it key. Events should always go to
+         * other windows when possible. */
+        launchWindow.hidden = NO;
+
+        launchWindow.rootViewController = vc;
+    }
+#endif
+
+    // Set working directory to resource path
+    [[NSFileManager defaultManager] changeCurrentDirectoryPath:[bundle resourcePath]];
+
+    SDL_SetMainReady();
+    [self performSelector:@selector(postFinishLaunch) withObject:nil afterDelay:0.0];
+
+    return YES;
+}
+
+- (UIWindow *)window
+{
+    SDL_VideoDevice *_this = SDL_GetVideoDevice();
+    if (_this) {
+        SDL_Window *window = NULL;
+        for (window = _this->windows; window != NULL; window = window->next) {
+            SDL_UIKitWindowData *data = (__bridge SDL_UIKitWindowData *)window->internal;
+            if (data != nil) {
+                return data.uiwindow;
+            }
+        }
+    }
+    return nil;
+}
+
+- (void)setWindow:(UIWindow *)window
+{
+    // Do nothing.
+}
+
+- (void)sendDropFileForURL:(NSURL *)url fromSourceApplication:(NSString *)sourceApplication
+{
+    NSURL *fileURL = url.filePathURL;
+    const char *sourceApplicationCString = sourceApplication ? [sourceApplication UTF8String] : NULL;
+    if (fileURL != nil) {
+        SDL_SendDropFile(NULL, sourceApplicationCString, fileURL.path.UTF8String);
+    } else {
+        SDL_SendDropFile(NULL, sourceApplicationCString, url.absoluteString.UTF8String);
+    }
+    SDL_SendDropComplete(NULL);
+}
+
+- (BOOL)application:(UIApplication *)app openURL:(NSURL *)url options:(NSDictionary<UIApplicationOpenURLOptionsKey, id> *)options
+{
+    // TODO: Handle options
+    [self sendDropFileForURL:url fromSourceApplication:NULL];
+    return YES;
+}
+
+@end
+
+#endif // SDL_VIDEO_DRIVER_UIKIT